Transmission Repair & Service Orillia, Ontario

Pinpointing the exact cause of any transmission problem takes skill, knowledge, and investigation

The evolution of transmissions has made these machines and systems increasingly complex. When transmission repairs are required, determining the cause and cure for what ails can be tricky. Why? Because transmissions have become remarkably complex and computerized and that presents both advantages and disadvantages. On one hand, transmission performance has become noticeably better in all vehicle makes and models. On the other, the increased complexity and digitization of transmission systems has made repair work a highly technical and complicated affair.


As you can imagine, there are different types of transmission repair jobs and options you can choose from depending on the nature of your vehicle’s breakdown. Understanding what those options are can help you make informed decisions when faced with a choice of transmission repairs to weigh.

A Repair for Every Type of Transmission Malfunction

Some transmission repair work is straightforward and mechanical in nature. Other times, it’s a combination of mechanical and electronic engineering that’s required to get your car back on the road. The most common types of repair work include:

  • Adjustments and in-car repairs. Most minor repairs are simple matters that are done without removing the transmission from the vehicle. If yours is a computer-controlled transmission that is not shifting properly, it is often the result of a computer sending incorrect signals due to a faulty sensor, or the transmission is not reacting to the command because of a bad connection or defective solenoid pack. If a non-computer controlled transmission is shifting too early or too late, it may require an adjustment to the throttle cable. If the vehicle has a vacuum modulator instead of a throttle cable, there is an adjustment that can be made using an adjustment screw in some designs. In vehicles with modulators, however, it is important to ensure there are no vacuum leaks and that the engine is running at peak efficiency.
  • Reseal jobs. A transmission is re-sealed to repair external transmission fluid leaks. If you see spots of red oil on the ground under the car, your transmission may need a re-seal job. To check a transmission for leaks, a technician will put the vehicle on a lift and examine the unit for signs of oil leaks. If a leak is spotted at any of the external seals or gaskets and the transmission otherwise performs well, the technician will most likely recommend that the transmission be re-sealed. Most of the external seals can be replaced while the transmission is still in the car but, if the front seal must be replaced, the transmission must first be removed from the vehicle to gain access to it.
  • Replacing accessible parts. There are a number of parts that are accessible without requiring the removal of the complete transmission. The parts that are accessible, however, vary from transmission to transmission and most transmission repair facilities would hesitate to provide meaningful warranties on external repairs for the simple reason that they cannot see if there are any additional internal problems in the components that are only accessible by transmission removal.
  • Complete overhauls. Also known as “rebuilding a transmission”, a complete overhaul involves the removal and disassembly of the transmission in its entirety. Every part is inspected for wear and damage, then cleaned in a special cleaning solution, or replaced with another part depending on its condition. Parts that have friction surfaces, such as bands and clutches are replaced as are all seals and gaskets. The torque converter is also replaced, usually with a remanufactured one. Technical service bulletins are checked to see if the auto manufacturer recommends any modifications to correct design defects that were discovered after the transmission was built. Automobile manufacturers often make upgrade kits available to transmission shops to resolve these design defects.

Replacing or Overhauling a Transmission

When a transmission requires an overhaul, there are two options that you may have. The first is to remove your existing transmission and overhaul it, then put the rebuilt unit back in your car. The second option is to replace your existing unit with another unit that has already been rebuilt or remanufactured.

A word to the wise: replacing your transmission with a used one may not be your best option. Used transmissions often have questionable histories that could create a whole new set of challenges. New transmissions, meanwhile, are mostly aftermarket transmissions billed as new but are in fact rebuilt transmissions with new parts.

The cost of the repair is always top-of-mind and understandably so. Transmission repairs are usually unexpected (and unwelcome). The cost varies depending on the outcome of our diagnostic testing, and we will help you to understand the various factors that come into play. We also offer our customers flexible payment options.

Whichever route you choose, you can trust our transmission experts to get you and your car back on the road.

Visit Mister Transmission for an assessment on what transmission repairs you may need. Contact the Mister Transmission service centre nearest to you.

Featured Services
Transmission Repair

The evolution of transmissions has made these machines and systems increasingly complex. When transmission repairs are required, determining the cause and cure for what ails can be tricky.

Learn More
Transmission Technology

At Mister Transmission we have access to leading-edge diagnostic equipment, enabling us to offer you the fastest and most accurate findings about what’s going on inside your vehicle’s transmission.

Learn More
Transmission Maintenance & Service

Just as you have other parts of your car serviced, your transmission needs maintenance to ensure a long life and avoid transmission problems.

Learn More
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Customer Reviews
Was traveling from Ontario to...
Jose Neufeld
Was traveling from Ontario to Alberta and had some trouble with the transmission. He was busy and booked but he took the time to check it out and that is the favor this is a one stop shop amazing service. They did not even charge us anything which was very surprising. I would totally recommend this business 10 out of 10. Very friendly and amazing people They know their stuff totally recommended
Date: May 24, 2023
Website: Google
My car broke down and...
E H
My car broke down and the mechanic I took it to thought it was likely an internal transmission problem so I towed here. I was mentally preparing for a big transmission issue and got a call within a couple of hours that it was an easy little fix (a bolt had just come off). Very honest mechanic! Highly recommend. Thank you!
Date: April 29, 2023
Website: Google
I am immensely grateful for...
Lisa Caroline
I am immensely grateful for Chris and Christina for their hospitality during one of the most stressful times of my life lol! On our way up north to enjoy a crownland camping trip, towing our small camper trailer with our beloved chevy trailblazer, we unfortunately blew the transmission halfway to Parrysound from Barrie. After a kind and warm phone conversation with Christina she said to bring it in to get it checked out. When we arrived they were very kind and welcoming and even let us stay in our camper in their yard! A whole week and a half later we were finally back on our feet with a new car! They were so hospitable and we're so so grateful its hard to describe!!! They really are as kind as they come, going out of their way to provide for people. They didn't charge us to check out our trailblazer or to check out our new vehicle. They said we can call them if we need anything at all, and they did all they could to help us get back on the road again. We highly recommend this place to anyone who wants to get amazing service and to be treated with love like family! Thank you so much!!!
Date: April 27, 2023
Website: Google
They are extremely wonderful people,...
MACARENA V
They are extremely wonderful people, very kind and helpful extremely recommended
Date: April 17, 2023
Website: Google
Amazing staff. Knowledgeable friendly. I...
Frankie B
Amazing staff. Knowledgeable friendly. I recommend them to anyone. Lee
Date: February 15, 2023
Website: Google
Highly recommend the Orillia Mr....
Rhonda Lalonde
Highly recommend the Orillia Mr. transmission for any transmission work. Outstanding customer service.
Date: February 10, 2023
Website: Google
I will definitely refer this...
Paul Valle
I will definitely refer this Mr. Transmission location to all my friends and family. From answering my call to the delivery of the vehicle the staff were friendly, understanding of my situation, explaining the repair required and communicating on a regular basis the status of the vehicle. Upon picking up the truck the technician Chris explained what to expect as the vehicle re learns the new transmission. In these times it is most pleasant to experience this level of Expertise, and Professionalism . Very much Appreciated! Coming from years of business experience myself the Team at Mr Transmission Orillia are Awesome people to do business with. “Thank you, Thank you”!!!!!😀
Date: February 5, 2023
Website: Google
I just wanted to say...
Ab H
I just wanted to say that the Orillia Mr T is amazing! Christina is very pleasant to deal with. They tested my car and told me the power issue and engine light was an engine problem and that the transmission was in good shape. They also said it was probably a turbo related problem. I had my mechanic fix the issue which was a cracked air intake pipe for the turbo. It's great to deal with a very professional and honest operation!
Date: January 29, 2023
Website: Google
Great down to earth people...
137newman
Great down to earth people !
Date: December 9, 2022
Website: Google
Great down to earth people...
137newman
Great down to earth people !
Date: December 9, 2022
Website: Google
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